LAMMPS (8 Apr 2021)
# DPD Fluid

variable T    equal 1.0
variable rc   equal 1.0
variable rcD  equal 1.2

units		 lj
boundary     p p p
atom_style	 atomic
dimension    3
newton       on
comm_modify  vel yes

### create box and configuration
variable     L equal 5.0
lattice      fcc 3.0
Lattice spacing in x,y,z = 1.1006424 1.1006424 1.1006424
region       simBox block 0 ${L} 0 ${L} 0 ${L}
region       simBox block 0 5 0 ${L} 0 ${L}
region       simBox block 0 5 0 5 0 ${L}
region       simBox block 0 5 0 5 0 5
create_box   2 simBox
Created orthogonal box = (0.0000000 0.0000000 0.0000000) to (5.5032121 5.5032121 5.5032121)
  1 by 1 by 1 MPI processor grid
#create_atoms 1 region simBox
create_atoms 1 random 100 132456 simBox
Created 100 atoms
  create_atoms CPU = 0.001 seconds
create_atoms 2 random 100 132456 simBox
Created 100 atoms
  create_atoms CPU = 0.000 seconds
mass         1 1.0
mass         2 2.0
###

pair_style	 dpd/ext ${T} ${rc} 3854262
pair_style	 dpd/ext 1 ${rc} 3854262
pair_style	 dpd/ext 1 1 3854262

pair_coeff   1 1 25.0 4.5 4.53 0.5 0.53   1.2 #${rcD}
pair_coeff   1 2 25.1 4.51 4.54 0.51 0.54 1.21 #${rcD}
pair_coeff   2 2 25.2 4.52 4.55 0.52 0.55 1.22 #${rcD}

timestep     0.01
run_style    verlet

velocity all create ${T} 68768932
velocity all create 1 68768932

thermo_style custom step time temp press
thermo       500

fix 1 all    nve

run	     50000
Neighbor list info ...
  update every 1 steps, delay 10 steps, check yes
  max neighbors/atom: 2000, page size: 100000
  master list distance cutoff = 1.52
  ghost atom cutoff = 1.52
  binsize = 0.76, bins = 8 8 8
  1 neighbor lists, perpetual/occasional/extra = 1 0 0
  (1) pair dpd/ext, perpetual
      attributes: half, newton on
      pair build: half/bin/atomonly/newton
      stencil: half/bin/3d/newton
      bin: standard
Per MPI rank memory allocation (min/avg/max) = 3.087 | 3.087 | 3.087 Mbytes
Step Time Temp Press 
       0            0            1    8.8992215 
     500            5   0.93699892    8.1219621 
    1000           10   0.99211009    7.4709658 
    1500           15   0.91190984     8.828742 
    2000           20   0.90749036    9.1258378 
    2500           25   0.97960404     7.085574 
    3000           30    1.0314836    6.8400202 
    3500           35    1.0137019    7.2346862 
    4000           40   0.98189616    6.7265624 
    4500           45    1.0127497    6.6718402 
    5000           50   0.90659787    7.4911309 
    5500           55    1.0257891    6.8163777 
    6000           60    1.0596209    7.8511522 
    6500           65   0.95679865    8.4091947 
    7000           70     1.012617    7.4162991 
    7500           75    1.0990412     7.160905 
    8000           80   0.91085269    7.6861008 
    8500           85    1.1000209    6.4818934 
    9000           90   0.99982282    8.1312206 
    9500           95    1.1330979    7.7167159 
   10000          100   0.98147521    8.4394218 
   10500          105    1.0254021      7.23574 
   11000          110   0.94064194    7.9766833 
   11500          115     1.012364    8.4285752 
   12000          120   0.94787277    7.0819132 
   12500          125      1.13729    7.9636837 
   13000          130    1.1200519    7.1570016 
   13500          135   0.96797085    8.9794827 
   14000          140    1.0271217    7.4193307 
   14500          145    1.0154843    7.3495938 
   15000          150    1.0408558    7.3047404 
   15500          155    1.0801685    6.8072764 
   16000          160    0.9921089    7.3200563 
   16500          165   0.92952943     7.281934 
   17000          170   0.87149276    7.6508951 
   17500          175   0.92808338    6.4774803 
   18000          180     1.008898    7.1954708 
   18500          185   0.95962238    8.0257166 
   19000          190   0.99501354    8.5364854 
   19500          195   0.97420657    8.3140832 
   20000          200   0.99926953    7.7840117 
   20500          205    1.0503096    7.9214552 
   21000          210   0.97782558    7.4084605 
   21500          215   0.90363877    7.2867997 
   22000          220    1.0045369    7.7341956 
   22500          225    1.0319487    8.4140146 
   23000          230     1.006863    7.6023442 
   23500          235   0.90302749    8.0230562 
   24000          240    1.0768463    7.7315652 
   24500          245    1.0529241    7.9835388 
   25000          250   0.96057288    6.9591339 
   25500          255   0.98941425    7.4287206 
   26000          260   0.99120107    7.0440907 
   26500          265   0.94017831    7.9499345 
   27000          270   0.93766339     8.118634 
   27500          275   0.98309918    7.9865412 
   28000          280    1.0191736    8.3330592 
   28500          285   0.99546328    8.3419405 
   29000          290   0.95703084     7.313665 
   29500          295    1.0122694    8.1900103 
   30000          300    1.0758207    8.2876755 
   30500          305    1.0981472    6.4742286 
   31000          310    1.0356215    6.4857599 
   31500          315   0.95584989    8.4446078 
   32000          320    1.0591455    8.3936647 
   32500          325   0.92674627    7.0391747 
   33000          330   0.93486399    7.6892746 
   33500          335    1.0772579    7.1395468 
   34000          340    1.1029975    7.4249835 
   34500          345    0.9845352    6.3478805 
   35000          350    1.1004884    8.0179815 
   35500          355   0.97596833    8.1652441 
   36000          360    1.0026086    7.8100907 
   36500          365    1.0242946    7.4683685 
   37000          370   0.98485255    7.9021959 
   37500          375     1.078371     8.726722 
   38000          380   0.99139516    7.3585787 
   38500          385    1.0531594    8.5221732 
   39000          390    1.0290073    7.0905003 
   39500          395    1.0368491    8.0293456 
   40000          400    1.0520724    7.6372283 
   40500          405   0.94925657    8.9578914 
   41000          410   0.99919726    7.7207005 
   41500          415    1.0507736    6.9924906 
   42000          420    1.0442899    7.8115665 
   42500          425    1.0192672    8.5123404 
   43000          430    0.9784861    8.0556966 
   43500          435   0.99592222    8.0665153 
   44000          440   0.95621235    8.4132911 
   44500          445   0.93400296    7.3266133 
   45000          450    1.0389454    7.2458003 
   45500          455    1.1076673    6.5868539 
   46000          460    1.0826918    7.9286381 
   46500          465   0.93589963    8.5310745 
   47000          470    1.0352143    6.6366463 
   47500          475    1.0497186    8.5074329 
   48000          480   0.96107226    7.7505527 
   48500          485    1.1061337    8.2753596 
   49000          490    1.0337198    7.5777833 
   49500          495   0.94052507    7.3661443 
   50000          500   0.98527818    7.1746325 
Loop time of 9.88248 on 1 procs for 50000 steps with 200 atoms

Performance: 4371371.882 tau/day, 5059.458 timesteps/s
99.9% CPU use with 1 MPI tasks x no OpenMP threads

MPI task timing breakdown:
Section |  min time  |  avg time  |  max time  |%varavg| %total
---------------------------------------------------------------
Pair    | 8.7028     | 8.7028     | 8.7028     |   0.0 | 88.06
Neigh   | 0.73687    | 0.73687    | 0.73687    |   0.0 |  7.46
Comm    | 0.31881    | 0.31881    | 0.31881    |   0.0 |  3.23
Output  | 0.0013947  | 0.0013947  | 0.0013947  |   0.0 |  0.01
Modify  | 0.081394   | 0.081394   | 0.081394   |   0.0 |  0.82
Other   |            | 0.04118    |            |       |  0.42

Nlocal:        200.000 ave         200 max         200 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost:        547.000 ave         547 max         547 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs:        1651.00 ave        1651 max        1651 min
Histogram: 1 0 0 0 0 0 0 0 0 0

Total # of neighbors = 1651
Ave neighs/atom = 8.2550000
Neighbor list builds = 5000
Dangerous builds = 5000

write_data final.data pair ij
System init for write_data ...
Total wall time: 0:00:10
